.content {
    width: 100%;
    height: 300px;
    background-color: #37e80b;
    display: flex;
}

.content .btn {
    width: 100px;
    height: 30px;
    background-color: #f80;
    border: 1px solid #37e80b;
    border-radius: 5px;
    justify-content: center;
    align-items: center;
    text-align: center;
}